江苏无缝钢管/1CR13和2CR13材料两者的区分?
1CR13和2CR13材料两者的区分?
1CR13和2CR13中CR的含量是一样的，2CR13的含碳量高于1CR13。
1CR13和2CR13的正确表示分别为1Cr13和2Cr13，均为马氏体不锈钢,相当于AISI 410和
AISI 420或ASTM A182 F6a， 其性能比较相似,化学成分上略有差别。
光谱分析C的含量：
|
牌号 |
C |
Mn |
Si |
S |
P |
Cr |
Ni |
|
2Cr13 |
0.16-0.25 |
1.00 |
1.00 |
0.03 |
0.035 |
12.0-14.0 |
|
|
1Cr13 |
1.50 |
1.00 |
1.00 |
0.03 |
0.04 |
11.5-13.5 |
0.50 |
焊接16mn材质的管件上，应该选用什么型号的焊条比较合适？
一、如果要焊接16mn材质的管件应该采用什么型号的焊条，还有没有其他的型号的焊条可以选用？如果焊接16mn材质的板材时应该采用什么型号的焊条
16mn是在Q235的基础上加了约1%的锰,故焊接性能良好; 无缝钢管
16mn可选择焊条:
1.手工电弧焊时,采用强度等级为T50的焊条:结506、结507、结502、结503、结552、结553等；
2.埋弧自动焊时,选焊剂:431和350,配合H08A、H08MnA、H10MnA或H10MnSi等焊条；
3.CO2气体保护焊时,常常用H08Mn2Si和H10MnSi.
二、如果要焊接20#材质的管件应该采用什么型号的焊条，还有没有其他的型号的焊条可以选用？如果焊接20#材质的板材时应该采用什么型号的焊条
16mn是在Q235的基础上加了约1%的锰,故焊接性能良好;16mn和普通碳素结构钢的焊接性能相似,20钢可以用结422、结423、结424、结425；强
度高的场合用结506、结507。
三、如果要焊接不锈钢的304材质的管件应该采用什么型号的焊条，还有没有其他的型号的焊
黑色金属硬度及强度换算表
|
硬度 |
抗拉强度（公斤/毫米2） |
|
洛氏 |
表面洛氏 |
维氏 |
布氏 |
碳钢 |
铬钢 |
铬钒钢 |
铬镍钢 |
铬钼钢 |
铬镍
钼钢 |
铬锰
硅钢 |
超高
强度钢 |
不锈钢 |
不分
钢种 |
|
HRC |
HRA |
HR15N |
HR30N |
HR45N |
HV |
HB30D2 |
|
(70.0) |
86.6 |
|
|
|
1037 |
|
|
|
|
|
|
|
|
|
|
本栏适用
二换算
精度要求
不高的
一般钢种
|
|
(69.5) |
86.3 |
|
|
|
1017 |
|
|
|
|
|
|
|
|
|
|
|
(69.0) |
86.1 |
|
|
|
997 |
|
|
|
|
|
|
|
|
|
|
|
(68.5) |
85.8 |
|
|
|
978 |
|
|
|
|
|
|
|
|
|
|
|
(68.0) |
85.5 |
|
|
|
959 |
|
|
|
|
|
|
|
|
|
|
|
(67.5) |
85.2 |
|
|
|
941 |
|
|
|
|
|
|
|
|
|
|
|
67.0 |
85.0 |
|
|
|
923 |
|
|
|
|
|
|
|
|
|
|
|
66.5 |
84.7 |
|
|
|
906 |
|
|
|
|
|
|
|
|
|
|
|
66.0 |
84.4 |
|
|
|
889 |
|
|
|
|
|
|
|
|
|
|
|
65.5 |
84.1 |
|
|
|
872 |
|
|
|
|
|
|
|
|
|
|
|
65.0 |
83.9 |
92.2 |
81.3 |
71.7 |
856 |
|
|
|
|
|
|
|
|
|
|
|
64.5 |
83.6 |
92.1 |
81.0 |
71.2 |
840 |
|
|
|
|
|
|
|
|
|
|
|
64.0 |
83.3 |
91.9 |
80.6 |
70.6 |
825 |
|
|
|
|
|
|
|
|
|
|
|
63.5 |
83.1 |
91.8 |
80.2 |
70.1 |
810 |
|
|
|
|
|
|
|
|
|
|
|
63.0 |
82.8 |
91.7 |
79.8 |
69.5 |
795 |
|
|
|
|
|
|
|
|
|
|
|
62.5 |
82.5 |
91.5 |
79.4 |
69.0 |
780 |
|
|
|
|
|
|
|
|
|
|
|
62.0 |
82.2 |
91.4 |
79.0 |
68.4 |
766 |
|
|
|
|
|
|
|
|
|
|
|
61.5 |
82.0 |
91.2 |
78.6 |
67.9 |
752 |
|
|
|
|
|
|
|
|
|
|
|
61.0 |
81.7 |
91.0 |
78.1 |
67.3 |
739 |
|
|
|
|
|
|
|
|
|
|
|
60.5 |
81.4 |
90.8 |
77.7 |
66.8 |
726 |
|
|
|
|
|
|
|
|
|
|
|
硬度 |
抗拉强度（公斤/毫米2） |
|
洛氏 |
表面洛氏 |
维氏 |
布氏 |
碳钢 |
铬钢 |
铬钒钢 |
铬镍钢 |
铬钼钢 |
铬镍
钼钢 |
铬锰
硅钢 |
超高
强度钢 |
不锈钢 |
不分
钢种 |
|
HRC |
HRA |
HR15N |
HR30N |
HR45N |
HV |
HB30D2 |
|
60.0 |
81.2 |
90.6 |
77.3 |
66.2 |
713 |
|
|
|
|
|
|
|
|
269.1 |
|
260.7 |
|
59.5 |
80.9 |
90.4 |
76.9 |
65.6 |
700 |
|
|
|
|
|
|
|
|
262.3 |
|
255.1 |
|
59.0 |
80.6 |
90.2 |
76.5 |
65.1 |
688 |
|
|
|
|
|
|
|
|
255.8 |
|
249.6 |
|
58.5 |
80.3 |
90.0 |
76.1 |
64.5 |
676 |
|
|
|
|
|
|
|
|
249.6 |
|
244.3 |
|
58.0 |
80.1 |
89.8 |
75.6 |
63.9 |
664 |
|
|
|
|
|
|
|
|
243.7 |
|
239.1 |
|
57.5 |
79.8 |
89.6 |
75.2 |
63.4 |
653 |
|
|
|
|
|
|
|
|
238. |
|
234.1 |
|
57.0 |
79.5 |
89.4 |
74.8 |
62.8 |
642 |
|
|
|
|
|
|
|
|
232.6 |
|
229.3 |
|
56.5 |
79.3 |
89.1 |
74.4 |
62.2 |
631 |
|
|
|
|
|
|
|
|
227.4 |
|
224.6 |
|
56.0 |
79.0 |
88.9 |
73.9 |
61.7 |
620 |
|
|
|
|
|
|
|
|
222.4 |
|
220.1 |
|
55.5 |
78.7 |
88.6 |
73.5 |
61.1 |
609 |
|
|
|
|
|
|
|
|
217.7 |
|
215.7 |
|
55.0 |
78.5 |
88.4 |
73.1 |
60.5 |
599 |
|
|
|
206.6 |
209.8 |
|
|
208.6 |
213.1 |
|
211.5 |
|
54.5 |
78.2 |
88.1 |
72.6 |
59.9 |
589 |
|
|
|
203.3 |
206.1 |
|
|
204.8 |
208.7 |
|
207.4 |
|
54.0 |
77.9 |
87.9 |
72.2 |
59.4 |
579 |
|
|
|
200.0 |
202.5 |
|
|
201.0 |
204.5 |
|
203.4 |
|
53.5 |
77.7 |
87.6 |
71.8 |
58.8 |
570 |
|
|
|
196.8 |
199.0 |
|
|
197.4 |
200.5 |
|
199.5 |
|
53.0 |
77.4 |
87.4 |
71.3 |
58.2 |
561 |
|
|
|
193.7 |
195.5 |
192.5 |
198.5 |
193.8 |
196.7 |
|
195.7 |
|
52.5 |
77.1 |
87.1 |
70.9 |
57.6 |
551 |
|
|
|
190.6 |
192.0 |
189.3 |
195.1 |
190.3 |
193.0 |
|
192.1 |
|
52.0 |
76.9 |
86.8 |
70.4 |
57.1 |
543 |
|
|
188.1 |
187.5 |
188.7 |
186.1 |
191.8 |
187.0 |
189.4 |
|
188.5 |
|
51.5 |
76.6 |
86.6 |
70.0 |
56.5 |
534 |
|
|
184.1 |
184.5 |
185.4 |
183.0 |
188.6 |
183.6 |
186.0 |
|
185.1 |
|
51.0 |
76.3 |
86.3 |
69.5 |
55.9 |
525 |
(501) |
|
180.3 |
181.6 |
182.1 |
179.9 |
185.4 |
180.4 |
182.7 |
|
181.7 |
|
50.5 |
76.1 |
86.0 |
69.1 |
55.3 |
517 |
(494) |
|
176.7 |
178.7 |
179.0 |
176.9 |
182.3 |
177.3 |
179.5 |
|
178.5 |
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